In the F1ink technical architecture,( )is a computing engine for stream processing and batch processing

• A.FlinkCore
• B.Standalone
• C.Runtime
• D.DataStream

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A website learning activity. Ask to count the number of user visits per minute to this network. To achieve this requirement, which of the following options is the most appropriate?

• A.Stare
• B.? ?
• C.MapReeuca
• D.Spart

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DataSet from Spark2.0Officially enabled, it has the characteristics of both DataFrame and RDD, and RDD is no longer used.

• A.FALSE
• B.TRUE

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Which of the following descriptions of the HBase storage model are correct? (Multiple choice)

• A.Every KeyValue has a Qualifier logo
• B.Even if there are multiple KeyValues with the same key value and the same Qualifier, there may be more than one. In this case, time stamping is used to distinguish
• C.KeyValue has key information such as timestamp and type
• D.The same key value key is associated with multiple values

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What are the main features of the YARN capacity scheduler

• A.flexibility
• B.Capacity Guarantee
• C.multiple tenancy
• D.Dynamically update configuration files

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